Dr, Samantha Klein is enjoying a barbecue at the home of 2 fellow college professors when they sight and photograph 2 strange bluish-green V-shaped UFO's. The California coastal town of Davidson is abuzz with the news. Ryan and Fitz arrive the following night, just in time to miss a second mass sighting. While the Blue Book team investigate the mysterious appearances, the residents of Davidson turn off their lights to wait for the return of the UFO's.